Velocity of Sound in Air – Viva Questions
The following are a few commonly asked questions for the experiment, where you measure the speed of sound using CRO. What are the…
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Category: Physics
Physics Concepts, Physics Questions, Numericals and discussions
Hellman-Feynman Theorem and its Applications – Quantum Mechanics
Hellman-Feynman Theorem investigates how the energy of a system varies as the Hamiltonian varies. If a system is characterised by a Hamiltonian that…
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Expectation Value of 1/r for Hydrogen using Virial Theorem -Quantum Mechanics
In this post we will be evaluating the expectation value of 1/r : using the Virial Theorem, that we proved and talked about…
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Polynomial Fitting – JAVA Code/Program (works on Android as well)
Okay, so the following is a code for fitting a polynomial to a given set of data using the Least Squares Approximation Method(Wikipedia). Formula…
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C++ Program for Determinant of a Matrix using Gauss Elimination
So I wrote a code for Gaussian Elimination to solve a system of linear equations a while ago. But recently learned that it…
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Linear Fitting – JAVA / Android [Code/Program]
In this post I would be explaining the code to find the best linear fit for a given set of data points. Or…
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Digital Electronics VIVA QUESTIONS
The following are a few commonly asked viva questions for Digital Electronics experiments: What is Boolean Algebra? Define a logi-gate. Why is it…
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Exponential Fitting – JAVA / Android [Code/Program]
In this post I will be showing you how to write a code that fits the data-points to an exponential function, like: eq(1)…
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PN-Junction Viva Questions
The following are some of the frequently asked questions related to PN-Junction: 1. What is the need for doping? 2. How depletion region…
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Operational Amplifier (OP-AMP) – VIVA QUESTIONS
The following are some of the frequently asked questions for Viva on Operational Amplifier: What is an Op-Amp? What are some of it’s…
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